The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...

Based on the 2020 National Electrical Code. Article 220 of the 2020 National Electrical Code (NEC) contains the requirements for calculating demand loads for branch circuits, feeders, and services.

The software speeds up electrical design by eliminating time-consuming, manual steps, making work easier and more reliable.

For a more detailed explanation of how the electricity calculator was put together and how it works, click on the links below or scroll down the page. Each of the generation sources has a slider that ...